title: Metronidazole and antibiotic-associated colitis.
mesh_terms: D000368:Aged; D004761:Enterocolitis, Pseudomembranous / Q000139:chemically induced / Q000188:drug therapy*; D006801:Humans; D008297:Male; D008795:Metronidazole / Q000627:therapeutic use; D014640:Vancomycin / Q000627:therapeutic use*
chemical_list: D008795:Metronidazole; D014640:Vancomycin